When 0.50 kg of water at 0C freezes, what is the change in ...

[melly21297]

When 0.50 kg of water at 0C freezes, what is the change in entropy of the water? The latent heat of fusion of water is 33,400 J/kg.
 
  A) 0 J/K B) -17,000 J/K C) -610 J/K D) 17,000 J/K E) 610 J/K

Question 2

If the magnetic field in a traveling electromagnetic wave has a maximum value of 16.5 nT, what is the maximum value of the electric field associated with this wave? (c = 3.00  108 m/s)
 
  A) 5.5  10-17 V/m
  B) 4.95 V/m
  C) 0.495 V/m
  D) 55.0  10-16 V/m
  E) 55.0  10-15 V/m

[otokexnaru]

Answer to Question 1

C

Answer to Question 2

B

[melly21297]

Excellent

[patma1981]

Gracias!